<?php
class Custom_Controller_Action extends Zend_Controller_Action
{
    protected $_sysTitle;

    public function init()
    {
        if (null === $_sysTitle) {
            $this->_sysTitle = Wenda::getModel('Config')->getSystemTitle();
        }
        $this->view->headTitle($this->_sysTitle , 'PREPEND');
        $this->view->headMeta()->appendName('keywords', $this->_sysTitle);
    }
}